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scripts/bpf: Emit an #error directive known types list needs updating

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Make the compiler report a clear error when bpf_helpers_doc.py needs
updating rather than rely on the fact that Clang fails to compile
English:

../../../lib/bpf/bpf_helper_defs.h:2707:1: error: unknown type name 'Unrecognized'
Unrecognized type 'struct bpf_inet_lookup', please add it to known types!

Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20191016085811.11700-1-jakub@cloudflare.com
This commit is contained in:
Jakub Sitnicki 2019-10-16 10:58:11 +02:00 committed by Daniel Borkmann
parent 5bc60de50d
commit 456a513bb5
1 changed files with 1 additions and 1 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

2
scripts/bpf_helpers_doc.py
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@ -489,7 +489,7 @@ class PrinterHelpers(Printer):
if t in self.mapped_types:
return self.mapped_types[t]
print("")
print("Unrecognized type '%s', please add it to known types!" % t)
print("#error \"Unrecognized type '%s', please add it to known types!\"" % t)
sys.exit(1)
seen_helpers = set()